na INLIS000000000012513 20231202142707 231202||||||||| | ||| |||| || | 010-1223012513 id 621.31 621.31 KOL k Koller, Alois Kerja. tenaga. randemen Cet.1 Jakarta Katalis 1986 66 hlm. : ilus. ; 21 cm. R24.09 - R24-0169 Listrik -- Tenaga